EZ-CAL

High pressure cut-out check valve test block used with compressors in industrial refrigeration, comprised of a check valve, that allows for calibration and run modes, that allows for the connection of an oil pump for calibration, and that provides the ability to shut down a running compressor; check valve calibration kit used with compressors in industrial refrigeration and comprised of an oil pump, a calibrated master gauge, a quick connection hose, and several check valves